EP1731462A1 - Distributeur de matériau en feuille - Google Patents
Distributeur de matériau en feuille Download PDFInfo
- Publication number
- EP1731462A1 EP1731462A1 EP05012576A EP05012576A EP1731462A1 EP 1731462 A1 EP1731462 A1 EP 1731462A1 EP 05012576 A EP05012576 A EP 05012576A EP 05012576 A EP05012576 A EP 05012576A EP 1731462 A1 EP1731462 A1 EP 1731462A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- dispenser according
- foil
- parting line
- hold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/0073—Details
- B65H35/008—Arrangements or adaptations of cutting devices
- B65H35/0086—Arrangements or adaptations of cutting devices using movable cutting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/002—Hand-held or table apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5154—Cutting handled material from hand-held or table dispenser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
Definitions
- the invention relates to a film dispenser explained in the preamble of claim 1 Art.
- Film dispensers for household films, in particular for thin plastic films, the so-called cling films, are on the market in large numbers. These films are very thin and adhere very easily to each other, so that a clean separation of usable pieces of the film from a supply, such as a film roll, always presents a challenge.
- a variety of constructions have been described to facilitate the portioning of these films. For example, most sales packaging for such films contain a separator in the form of a tearing edge over which the film is torn off.
- film dispensers for example from the DE 101 30 578 A1 or the DE 91 11 783 U1 having a separate foil cutter which is passed through the film.
- a problem with all known constructions is the fact that the film, at the lowest pressure exerted in its plane of extension, tends to collapse and form wrinkles that stick together. Collapsing this type is almost inevitable, for example, when the film has to be torn off over a tear edge. But even when separating the film using a foil cutter is to be expected with an undesirable wrinkling. For this reason, for example, in the DE 101 30 578 expressly pointed out that the film must be held down with two fingers in front of the foil cutter and kept taut.
- the foil dispenser of DE 91 11 783 U1 a hold-down in the form of a frusto-conical friction wheel is provided, which moves together with the film cutter on the film to hold down and tension it. Furthermore, this film dispenser includes a knife holder which is designed so that it holds the already withdrawn from the stock film against a housing. However, both components are moved, so that there is still the risk that the film collapses and forms adhering folds.
- the invention has for its object to provide a film dispenser, wherein the film can be securely held in a structurally simple manner.
- the stationary design of the blank holder and its assignment to the holder ensures that pieces of film can be safely and cleanly separated along a dividing line without the laborious and cumbersome manual holding of the foil, without the risk of the foil being pushed together.
- the invention is particularly useful when it comes to keep the already withdrawn from the stock, after separating a piece of film left free edge both when separating and then smooth and tense. For this reason, the hold-down should preferably be arranged between the supply and the dividing line.
- the hold-down means arranged below the dividing line protects the foil from falling down.
- a particularly preferred hold-down comprises an adhesion-adhesive surface made of a material forming an adhesive pairing with the material of the film.
- the adhesive surface preferably extends along the dividing line to take advantage of all available space for adhering the film.
- a structurally particularly preferred and simple embodiment results when guide rails for a film cutter and hold-down are combined by providing the rail with an adhesive surface.
- the distances of the adhesive surfaces to the dividing lines it is possible to determine how large and where, after the separation of the film piece, there is a free piece of the remaining film or the separated film piece that can be grasped by the user. For example, if the distance between the parting line and the adhesive facing the supply surface is greater than the distance to the other adhesive surface, remains after separation connected to the stock end of the film a larger, not fixed by the holddown area that can be grasped by the user, to remove a new piece of film from the stock to be cut off. In contrast, the cut piece of film still adheres to the adhesive surface in the vicinity of the dividing line, so that the film is held there smooth and taut.
- Fig. 1 shows a perspective, schematic representation of a first embodiment of a film dispenser 1.
- the film dispenser 1 includes a housing 2, in which on a suitable holder 3, for example, in Fig. 3 in more detail shown core rod, a supply 4 of a film 5, for example a film roll is received.
- the housing 2 is formed reusable in the illustrated embodiment and consists for example of metal, plastic or other durable material. However, the invention can also be used in the usual sales packaging.
- the housing 2 can be opened in a suitable manner, so that the supply 4 can be exchanged.
- the housing 2 is formed, for example, for attachment to a wall and includes a rear wall 2a, which is provided with corresponding fastening elements, such as eyelets.
- the housing 2 can also be designed to be placed on its bottom wall 2b.
- the housing 2 further includes a front side 2c, which is designed as a visible surface and for better top view extends at least partially at a deviating angle of 90 ° to the rear wall 2a and / or the bottom 2b and the rear wall 2a connects to the bottom 2b.
- side walls 2d and 2e are provided, which laterally support the housing 2 and, for example, support the holder 3 with the supply 4.
- a large opening 6 is provided which allows access to the film 5 of the stock 4 and is designed as a withdrawal or removal opening.
- the opening 6 is larger than would be necessary from the dimensions of the film 5 ago;
- the opening 6 has a width b which appreciably exceeds the width of the film 5, for example by the width of two fingers, i. at least 2 cm.
- the length I in the withdrawal direction of the film 5 from the stock 4 is preferably between 1 and 5 cm.
- the opening 6 is associated with a hold-down 9.
- the hold-down 9 is stationary and has e.g. a fixed distance to the holder 3, which does not change when removing the film 5.
- the hold-down device 9 contains an adhesive surface 7, which limits the opening 6 on its side facing the bottom 2b.
- the adhesive surface 7 extends in the plane of the front wall 2c and at least over the entire width b of the opening 6.
- the adhesive surface 7 replaces the front wall 2c in the ground area and extends between the two side walls 2d and 2e.
- a second adhesive surface 8 is provided to form a gap 6b.
- the second adhesive surface 8 extends substantially over the entire width b of the opening 6.
- the adhesive surface 8 is located at a distance c below the upper boundary of the opening 6, wherein the distance c is in any case greater than the thickness of the film 5 and preferably is dimensioned so that when filling a supply 4 in the housing 2 of the film beginning through the forming gap 6a can be easily inserted through, and the film can be safely removed without sharp changes in direction from the stock.
- the adhesive surfaces 7 and 8 are preferably formed as adhesion surfaces for forming an adhesion pairing with the material of the film 5.
- the formation of the adhesive surfaces 7, 8 thus depends on the material of the film 5 and must be matched to this be.
- Suitable adhesion pairings can be determined empirically in a simple manner.
- a polished or slightly brushed at least surface of metal such as stainless steel.
- this type of film 5 with many smooth surfaces without high surface roughness, so for example chromed or painted, especially glossy surfaces, surfaces of non-frosted glass or porcelain or the like. Form a sufficient adhesion pairing.
- the adhesion forces exerted by the surfaces 7 and 8 on the film 5 should be so strong that they tension the film 5 against light forces, as they occur for example during transport through the transport wind and in the following to be described separating the film, position fixation and smooth hold, so that the adhesive surfaces 7 and 8 act as hold-down 9.
- the adhesive surfaces 7, 8 in the withdrawal direction A of the film 5 from the roll 4 should have a sufficient width d, for example preferably between 0.5 and 2 cm wide.
- the foil 5 is first inserted from the supply 4 through the gap-shaped region 6a of the opening 6 determined by the distance c and is then moved over the upper adhesive surface 8, without touching it, over the gap-shaped region 6b and over the lower adhesive surface 7, again without touching them, pulled and is then placed on both adhesive surfaces 7, 8 and held by this.
- the removal of the film 5 is facilitated by the film width exceeding width b and in particular the gap 6 b, which forms an access space for gripping the films through the opening 6 therethrough.
- the film dispenser 1 according to the invention is further equipped with a separating device 10 for separating film sections.
- the separating device 10 will be explained below with reference to FIGS. 3 and 4.
- the separator 10 includes a carriage 11 having a film cutter 12 which is movable across the film 5 to form a parting line 13 (FIG. 1).
- the carriage 11 is guided during its movement through at least one guide rail, wherein in the illustrated embodiment, a lower guide rail 14a and an upper guide rail 14b are provided.
- the guide rails 14a, 14b are provided on their outwardly facing tops with the adhesive surfaces 7, 8 and extend over the entire width b of the opening 6, preferably over the entire distance between the side walls 2e, 2d.
- the guide rails 14a, 14b are further provided with a respective guide groove 15a, 15b, the guide webs 16a, 16b, 16c of the carriage 11 record.
- the guide rails 14a, 14b each consist of a sheet-metal strip made of stainless steel and are bent in a clamp shape, so that the flat upper surface can serve as an adhesive surface 7, 8 of the hold-down 9 and the interior forms the guide groove 15a, 15b.
- the adhesive surfaces 7, 8 preferably extend over the entire upper side of the guide rails 14a, 14b.
- the carriage 11 includes a suitably formed handle 17, which is connected via a connecting web 18 with the guide webs 16a, b, c.
- the guide webs 16a, 16b, 16c are connected to the connecting web 18 via arms 19, wherein for a three-point guidance of one of the guide webs 16a projects via an arm 19a on one side of the connecting web 18, while the other two guide webs 16b, c via projecting a second arm 19b on the opposite side of the connecting web 18 and spaced apart in the direction of the parting line 13 and offset from the guide web 16a.
- One of the two arms 19a, 19b, in the illustrated embodiment, the arm 19a for the single guide web 16a, has a greater distance from the connecting web 18 than the other arm.
- the connecting web 18 carries the film cutter 12, which is knife-like in the illustrated embodiment and two cutting edges 12a, 12b, which are arranged along the parting line 13 in a row and are formed cutting in opposite directions.
- the cutting edges 12a, 12b are aligned symmetrically at an angle ⁇ to the horizontal.
- the film cutter 12 is constructed such that it exerts a pressure on the film 5 when it is cut, which has the largest possible component perpendicular to the plane of the film 5. This is effected in the illustrated embodiment by an expedient dimensioning of the angle ⁇ , which is less than or equal to 45 °.
- each cutting edge 12a, 12b is an engagement protection, which protects against accidental contact with the cutting edge and can also serve as a cutting guide for trapping the film 5.
- a web 20a, 20b is provided for this purpose at a distance below each cutting edge 12a, 12b.
- the carriage 11 is, as can be seen in particular from FIGS. 1 and 3, inserted into the guide rails 14a, 14b, that the guide web 16a, which is located on the long arm 19a, in the guide groove 15b of the upper, ie. in the withdrawal direction A to the supply 4 facing guide rail 14b, and the guide webs 16b, 16c are used on the short arm in the guide groove 15a of the lower rail 14a.
- the length of the arms 19a, 19b is dimensioned so that the cutting edges 12a, 12b of the film cutter 12 are located between the adhesive surfaces 7, 8 at or in the immediate vicinity of the upper boundary of the lower adhesive surface 7, so that the parting line 13 at or just above the second adhesive surface 8 facing upper limit of the lower adhesive surface 7 is formed when the carriage 11 is moved from its position shown in Fig. 1 right next to the film 5 through the films in its left position next to the film 5 and the film cuts.
- the film 5 is held on both adhesive surfaces 7, 8, so that they can not move and in particular forms no cohesive folds. This adhesion is still supported by the cutting edges 12a, 12b of the film cutter 12, which load the film against the adhesive surfaces 7, 8. In this way, a clean separation of the film is possible.
- both the still connected to the stock 4 slide 5 on the adhesive surface 8 and the already cut piece of the film 5 hang on the adhesive surface 7, so that they continue to remain in the clamped state.
- the user can now grasp the separated piece of foil with both hands after having released the handle 17 and keep it tensioned until the intended use.
- the still connected to the stock 4 slide 5 is with its free edge edge, however, on the upper adhesive surface 8 down before, where it can be taken by the user by engaging in the gap 6b of the opening 6 in a simple manner when a new piece of Slide 5 is to be deducted in the withdrawal direction A from the stock 4.
- the adhesive surfaces can only be partially effective.
- other elements may be used, e.g. Clamping elements that hold down the film by adhesion or positively acting elements, such as in holes or recesses in the film engaging projections or the like.
- the film dispenser according to the invention can also be used for other films, the adhesive surfaces are selected for their adhesion to the material of this film have to.
- coating of the adhesive surfaces with a releasable pressure sensitive adhesive i. an adhesive from which the aluminum foil residue-free and without tearing can be removed again, can be used.
- the holding-down device according to the invention is also advantageous if a structurally deviating foil cutter, for example crescent-shaped or differently shaped cutting edges, a cutting wheel, or a separating device operating according to another principle, for example a tear-off edge, is used.
Landscapes
- Adhesive Tape Dispensing Devices (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200550007892 DE502005007892D1 (de) | 2005-06-10 | 2005-06-10 | Folienspender |
EP20050012576 EP1731462B1 (fr) | 2005-06-10 | 2005-06-10 | Distributeur de matériau en feuille |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20050012576 EP1731462B1 (fr) | 2005-06-10 | 2005-06-10 | Distributeur de matériau en feuille |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1731462A1 true EP1731462A1 (fr) | 2006-12-13 |
EP1731462B1 EP1731462B1 (fr) | 2009-08-12 |
Family
ID=34937382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050012576 Ceased EP1731462B1 (fr) | 2005-06-10 | 2005-06-10 | Distributeur de matériau en feuille |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1731462B1 (fr) |
DE (1) | DE502005007892D1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3199394A (en) * | 1962-12-31 | 1965-08-10 | Johnson & Johnson | Dispenser for adhesive tape |
JP2000033937A (ja) * | 1998-07-21 | 2000-02-02 | Kao Corp | ラップフィルム収納体 |
US6223639B1 (en) * | 1999-08-13 | 2001-05-01 | Su-Hui Chen | Aluminum foil safety fixture |
US20040040429A1 (en) * | 2002-06-12 | 2004-03-04 | Nichols Monica Stautner | Roll supporting slide cutter assembly incorporating a traversable cutter tab and in particular capable of being supported within a carton enclosure associated with a wrap material roll |
-
2005
- 2005-06-10 EP EP20050012576 patent/EP1731462B1/fr not_active Ceased
- 2005-06-10 DE DE200550007892 patent/DE502005007892D1/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3199394A (en) * | 1962-12-31 | 1965-08-10 | Johnson & Johnson | Dispenser for adhesive tape |
JP2000033937A (ja) * | 1998-07-21 | 2000-02-02 | Kao Corp | ラップフィルム収納体 |
US6223639B1 (en) * | 1999-08-13 | 2001-05-01 | Su-Hui Chen | Aluminum foil safety fixture |
US20040040429A1 (en) * | 2002-06-12 | 2004-03-04 | Nichols Monica Stautner | Roll supporting slide cutter assembly incorporating a traversable cutter tab and in particular capable of being supported within a carton enclosure associated with a wrap material roll |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 05 14 September 2000 (2000-09-14) * |
Also Published As
Publication number | Publication date |
---|---|
EP1731462B1 (fr) | 2009-08-12 |
DE502005007892D1 (de) | 2009-09-24 |
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